2 494 931 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Details

Composite, with 2 known prime factors. Cofactor is composite.

Trial Factored to 2⁶⁸

TF target 2⁶³

Factored

Factor	Digits	Bits	Date
4989863	7	22.3	old
2606174429553319	16	51.2	2014-06-20 11:28:56

ECM

Digits	B1	Curves
25	50000	107 / 280

Estimated T-Level: 21.9 ⓘ

TF below 2^68 is very unlikely to find new factors due to ECM effort.

Status	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	PRP without proof (not generated)	2017-10-14	Oliver Kruse	88D3EF5CE7B22070	2	2327732	5	3
Verified	PRP without proof (not generated)	2017-11-30	storm5510	88D3EF5CE7B22070	2	1459410	5	3

History

Date	User	Type	Result
2019-07-04	alpertron	NF-PM1	B1=2000000, B2=60000000, E=12
2017-11-30	storm5510	C-PRP	M2494931/4989863/2606174429553319 : 88D3EF5CE7B22070
2017-10-14	Oliver Kruse	C-PRP	M2494931/4989863/2606174429553319 : 88D3EF5CE7B22070
2014-06-20	TJAOI	F	Factor: 2606174429553319

Username
Password